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11. If 8x - 4 = 6x - 10, find the value of 3x. A.-9B.3C.14D.21
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11. If 8x - 4 = 6x - 10, find the value of 3x. A.-9B.3C.14D.21

User Kevin Bryan
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\begin{gathered} 8x-4=6x-10 \\ 8x-6x=-10+4 \\ 2x=-6 \\ x=-3 \\ So, \\ 3x=3*(-3) \\ 3x=-9 \\ \text{The option A is correct.} \end{gathered}

User Helmut Kemper
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